Teaching focus: common respiratory infectious diseases, how do we breathe healthily.
Teaching difficulty: healthy breathing.
Teaching aid preparation:
1. Before class, let students know about respiratory system and common respiratory infectious diseases by looking up information and surfing the Internet.
2. Prepare some pictures.
Teaching content and process:
1, tell a story and lead a topic.
2. Understand our respiratory system by comparing the picture with the schematic diagram of the respiratory system.
(1) Understanding the respiratory system
What organs are the respiratory system made of?
Put your hands gently on your chest and take a deep breath. Can you feel the changes in your chest when you inhale and exhale?
(2) Common respiratory infectious diseases
Self-report of pneumococcus;
A cold sometimes causes bronchitis;
Investigate the situation of family members when they catch a cold, and let us know about common respiratory infectious diseases!
(3) the mode of transmission of respiratory infectious diseases
(4) Healthy breathing
Healthy breathing can keep us away from diseases, keep our minds flexible and have abundant physical strength.
Breathe through the nose; Take a deep breath often; Stay away from cigarettes; Don't play in an environment with stale air; Moisturizing in dry season; Strengthen exercise and improve resistance.
(5) Reading and expanding
Do breathing aerobic exercise
Conclusion: Healthy breathing can keep us away from diseases, with flexible mind and abundant physical strength.